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apc.php
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apc.php
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<?php
/*
+----------------------------------------------------------------------+
| APC |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2011 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Ralf Becker <beckerr@php.net> |
| Rasmus Lerdorf <rasmus@php.net> |
| Ilia Alshanetsky <ilia@prohost.org> |
+----------------------------------------------------------------------+
All other licensing and usage conditions are those of the PHP Group.
*/
////////// READ OPTIONAL CONFIGURATION FILE ////////////
if (file_exists("apc.conf.php")) include("apc.conf.php");
////////////////////////////////////////////////////////
////////// BEGIN OF DEFAULT CONFIG AREA ///////////////////////////////////////////////////////////
defaults('USE_AUTHENTICATION',1); // Use (internal) authentication - best choice if
// no other authentication is available
// If set to 0:
// There will be no further authentication. You
// will have to handle this by yourself!
// If set to 1:
// You need to change ADMIN_PASSWORD to make
// this work!
defaults('ADMIN_USERNAME','apc'); // Admin Username
defaults('ADMIN_PASSWORD','password'); // Admin Password - CHANGE THIS TO ENABLE!!!
// (beckerr) I'm using a clear text password here, because I've no good idea how to let
// users generate a md5 or crypt password in a easy way to fill it in above
//defaults('DATE_FORMAT', "d.m.Y H:i:s"); // German
defaults('DATE_FORMAT', 'Y/m/d H:i:s'); // US
defaults('GRAPH_SIZE',200); // Image size
//defaults('PROXY', 'tcp://127.0.0.1:8080');
////////// END OF DEFAULT CONFIG AREA /////////////////////////////////////////////////////////////
// "define if not defined"
function defaults($d,$v) {
if (!defined($d)) define($d,$v); // or just @define(...)
}
// rewrite $PHP_SELF to block XSS attacks
//
$PHP_SELF= isset($_SERVER['PHP_SELF']) ? htmlentities(strip_tags($_SERVER['PHP_SELF'],''), ENT_QUOTES, 'UTF-8') : '';
$time = time();
$host = php_uname('n');
if($host) { $host = '('.$host.')'; }
if (isset($_SERVER['SERVER_ADDR'])) {
$host .= ' ('.$_SERVER['SERVER_ADDR'].')';
}
// operation constants
define('OB_HOST_STATS',1);
define('OB_USER_CACHE',2);
define('OB_VERSION_CHECK',3);
// check validity of input variables
$vardom=array(
'OB' => '/^\d+$/', // operational mode switch
'CC' => '/^[01]$/', // clear cache requested
'DU' => '/^.*$/', // Delete User Key
'SH' => '/^[a-z0-9]+$/', // shared object description
'IMG' => '/^[123]$/', // image to generate
'LO' => '/^1$/', // login requested
'COUNT' => '/^\d+$/', // number of line displayed in list
'SCOPE' => '/^[AD]$/', // list view scope
'SORT1' => '/^[AHSMCDTZ]$/', // first sort key
'SORT2' => '/^[DA]$/', // second sort key
'AGGR' => '/^\d+$/', // aggregation by dir level
'SEARCH' => '/^.*$/' // search regex
);
// cache scope
$scope_list=array(
'A' => 'cache_list',
'D' => 'deleted_list'
);
// handle POST and GET requests
if (empty($_REQUEST)) {
if (!empty($_GET) && !empty($_POST)) {
$_REQUEST = array_merge($_GET, $_POST);
} else if (!empty($_GET)) {
$_REQUEST = $_GET;
} else if (!empty($_POST)) {
$_REQUEST = $_POST;
} else {
$_REQUEST = array();
}
}
// check parameter syntax
foreach($vardom as $var => $dom) {
if (!isset($_REQUEST[$var])) {
$MYREQUEST[$var]=null;
} else if (!is_array($_REQUEST[$var]) && preg_match($dom.'D',$_REQUEST[$var])) {
$MYREQUEST[$var]=$_REQUEST[$var];
} else {
$MYREQUEST[$var]=$_REQUEST[$var]=null;
}
}
// check parameter semantics
if (empty($MYREQUEST['SCOPE'])) $MYREQUEST['SCOPE']="A";
if (empty($MYREQUEST['SORT1'])) $MYREQUEST['SORT1']="H";
if (empty($MYREQUEST['SORT2'])) $MYREQUEST['SORT2']="D";
if (empty($MYREQUEST['OB'])) $MYREQUEST['OB']=OB_HOST_STATS;
if (!isset($MYREQUEST['COUNT'])) $MYREQUEST['COUNT']=20;
if (!isset($scope_list[$MYREQUEST['SCOPE']])) $MYREQUEST['SCOPE']='A';
$MY_SELF=
"$PHP_SELF".
"?SCOPE=".$MYREQUEST['SCOPE'].
"&SORT1=".$MYREQUEST['SORT1'].
"&SORT2=".$MYREQUEST['SORT2'].
"&COUNT=".$MYREQUEST['COUNT'];
$MY_SELF_WO_SORT=
"$PHP_SELF".
"?SCOPE=".$MYREQUEST['SCOPE'].
"&COUNT=".$MYREQUEST['COUNT'];
// authentication needed?
//
if (!USE_AUTHENTICATION) {
$AUTHENTICATED=1;
} else {
$AUTHENTICATED=0;
if (ADMIN_PASSWORD!='password' && ($MYREQUEST['LO'] == 1 || isset($_SERVER['PHP_AUTH_USER']))) {
if (!isset($_SERVER['PHP_AUTH_USER']) ||
!isset($_SERVER['PHP_AUTH_PW']) ||
$_SERVER['PHP_AUTH_USER'] != ADMIN_USERNAME ||
$_SERVER['PHP_AUTH_PW'] != ADMIN_PASSWORD) {
Header("WWW-Authenticate: Basic realm=\"APC Login\"");
Header("HTTP/1.0 401 Unauthorized");
echo <<<EOB
<html><body>
<h1>Rejected!</h1>
<big>Wrong Username or Password!</big><br/> <br/>
<big><a href='$PHP_SELF?OB={$MYREQUEST['OB']}'>Continue...</a></big>
</body></html>
EOB;
exit;
} else {
$AUTHENTICATED=1;
}
}
}
// clear cache
if ($AUTHENTICATED && isset($MYREQUEST['CC']) && $MYREQUEST['CC']) {
apcu_clear_cache();
}
if ($AUTHENTICATED && !empty($MYREQUEST['DU'])) {
apcu_delete($MYREQUEST['DU']);
}
if(!function_exists('apcu_cache_info')) {
echo "No cache info available. APC does not appear to be running.";
exit;
}
$limited = $MYREQUEST['OB'] != OB_USER_CACHE;
$cache = apcu_cache_info($limited);
$mem=apcu_sma_info();
// don't cache this page
//
header("Cache-Control: no-store, no-cache, must-revalidate"); // HTTP/1.1
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache"); // HTTP/1.0
function duration($ts) {
global $time;
$years = (int)((($time - $ts)/(7*86400))/52.177457);
$rem = (int)(($time-$ts)-($years * 52.177457 * 7 * 86400));
$weeks = (int)(($rem)/(7*86400));
$days = (int)(($rem)/86400) - $weeks*7;
$hours = (int)(($rem)/3600) - $days*24 - $weeks*7*24;
$mins = (int)(($rem)/60) - $hours*60 - $days*24*60 - $weeks*7*24*60;
$str = '';
if($years==1) $str .= "$years year, ";
if($years>1) $str .= "$years years, ";
if($weeks==1) $str .= "$weeks week, ";
if($weeks>1) $str .= "$weeks weeks, ";
if($days==1) $str .= "$days day,";
if($days>1) $str .= "$days days,";
if($hours == 1) $str .= " $hours hour and";
if($hours>1) $str .= " $hours hours and";
if($mins == 1) $str .= " 1 minute";
else $str .= " $mins minutes";
return $str;
}
// create graphics
//
function graphics_avail() {
return extension_loaded('gd');
}
if (isset($MYREQUEST['IMG']))
{
if (!graphics_avail()) {
exit(0);
}
function fill_arc($im, $centerX, $centerY, $diameter, $start, $end, $color1,$color2,$text='',$placeindex=0) {
$r=$diameter/2;
$w=deg2rad(round(360+$start+($end-$start)/2)%360);
if (function_exists("imagefilledarc")) {
// exists only if GD 2.0.1 is available
imagefilledarc($im, $centerX+1, $centerY+1, $diameter, $diameter, round($start), round($end), $color1, IMG_ARC_PIE);
imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, round($start), round($end), $color2, IMG_ARC_PIE);
imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, round($start), round($end), $color1, IMG_ARC_NOFILL|IMG_ARC_EDGED);
} else {
imagearc($im, $centerX, $centerY, $diameter, $diameter, round($start), round($end), $color2);
imageline($im, $centerX, $centerY, $centerX + round(cos(deg2rad($start)) * $r), $centerY + round(sin(deg2rad($start)) * $r), $color2);
imageline($im, $centerX, $centerY, $centerX + round(cos(deg2rad($start+1)) * $r), $centerY + round(sin(deg2rad($start)) * $r), $color2);
imageline($im, $centerX, $centerY, $centerX + round(cos(deg2rad($end-1)) * $r), $centerY + round(sin(deg2rad($end)) * $r), $color2);
imageline($im, $centerX, $centerY, $centerX + round(cos(deg2rad($end)) * $r), $centerY + round(sin(deg2rad($end)) * $r), $color2);
imagefill($im,$centerX + round($r*cos($w)/2), $centerY + round($r*sin($w)/2), $color2);
}
if ($text) {
if ($placeindex>0) {
imageline($im,$centerX + round($r*cos($w)/2), $centerY + round($r*sin($w)/2),$diameter, $placeindex*12,$color1);
imagestring($im,4,$diameter, $placeindex*12,$text,$color1);
} else {
imagestring($im,4,$centerX + round($r*cos($w)/2), $centerY + round($r*sin($w)/2),$text,$color1);
}
}
}
function text_arc($im, $centerX, $centerY, $diameter, $start, $end, $color1,$text,$placeindex=0) {
$r=$diameter/2;
$w=deg2rad((360+round($start)+round(($end-$start)/2))%360);
if ($placeindex>0) {
imageline($im,$centerX + round($r*cos($w)/2), $centerY + round($r*sin($w)/2),$diameter, $placeindex*12,$color1);
imagestring($im,4,$diameter, $placeindex*12,$text,$color1);
} else {
imagestring($im,4,$centerX + round($r*cos($w)/2), $centerY + round($r*sin($w)/2),$text,$color1);
}
}
function fill_box($im, $x, $y, $w, $h, $color1, $color2,$text='',$placeindex='') {
global $col_black;
$x = round($x);
$y = round($y);
$w = round($w);
$h = round($h);
$x1=$x+$w-1;
$y1=$y+$h-1;
imagerectangle($im, $x, $y1, $x1+1, $y+1, $col_black);
if($y1>$y) imagefilledrectangle($im, $x, $y, $x1, $y1, $color2);
else imagefilledrectangle($im, $x, $y1, $x1, $y, $color2);
imagerectangle($im, $x, $y1, $x1, $y, $color1);
if ($text) {
if ($placeindex>0) {
if ($placeindex<16)
{
$px=5;
$py=$placeindex*12+6;
imagefilledrectangle($im, $px+90, $py+3, $px+90-4, $py-3, $color2);
imageline($im,$x,$y+round($h/2),$px+90,$py,$color2);
imagestring($im,2,$px,$py-6,$text,$color1);
} else {
if ($placeindex<31) {
$px=$x+40*2;
$py=($placeindex-15)*12+6;
} else {
$px=$x+40*2+100*intval(($placeindex-15)/15);
$py=($placeindex%15)*12+6;
}
imagefilledrectangle($im, $px, $py+3, $px-4, $py-3, $color2);
imageline($im,$x+$w,$y+round($h/2),$px,$py,$color2);
imagestring($im,2,$px+2,$py-6,$text,$color1);
}
} else {
imagestring($im,4,$x+5,$y1-16,$text,$color1);
}
}
}
$size = GRAPH_SIZE; // image size
if ($MYREQUEST['IMG']==3)
$image = imagecreate(2*$size+150, $size+10);
else
$image = imagecreate($size+50, $size+10);
$col_white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
$col_red = imagecolorallocate($image, 0xD0, 0x60, 0x30);
$col_green = imagecolorallocate($image, 0x60, 0xF0, 0x60);
$col_black = imagecolorallocate($image, 0, 0, 0);
imagecolortransparent($image,$col_white);
switch ($MYREQUEST['IMG']) {
case 1:
$s=$mem['num_seg']*$mem['seg_size'];
$a=$mem['avail_mem'];
$x=$y=$size/2;
$fuzz = 0.000001;
// This block of code creates the pie chart. It is a lot more complex than you
// would expect because we try to visualize any memory fragmentation as well.
$angle_from = 0;
$string_placement=array();
for($i=0; $i<$mem['num_seg']; $i++) {
$ptr = 0;
$free = $mem['block_lists'][$i];
uasort($free, 'block_sort');
foreach($free as $block) {
if($block['offset']!=$ptr) { // Used block
$angle_to = $angle_from+($block['offset']-$ptr)/$s;
if(($angle_to+$fuzz)>1) $angle_to = 1;
if( ($angle_to*360) - ($angle_from*360) >= 1) {
fill_arc($image,$x,$y,$size,$angle_from*360,$angle_to*360,$col_black,$col_red);
if (($angle_to-$angle_from)>0.05) {
array_push($string_placement, array($angle_from,$angle_to));
}
}
$angle_from = $angle_to;
}
$angle_to = $angle_from+($block['size'])/$s;
if(($angle_to+$fuzz)>1) $angle_to = 1;
if( ($angle_to*360) - ($angle_from*360) >= 1) {
fill_arc($image,$x,$y,$size,$angle_from*360,$angle_to*360,$col_black,$col_green);
if (($angle_to-$angle_from)>0.05) {
array_push($string_placement, array($angle_from,$angle_to));
}
}
$angle_from = $angle_to;
$ptr = $block['offset']+$block['size'];
}
if ($ptr < $mem['seg_size']) { // memory at the end
$angle_to = $angle_from + ($mem['seg_size'] - $ptr)/$s;
if(($angle_to+$fuzz)>1) $angle_to = 1;
fill_arc($image,$x,$y,$size,$angle_from*360,$angle_to*360,$col_black,$col_red);
if (($angle_to-$angle_from)>0.05) {
array_push($string_placement, array($angle_from,$angle_to));
}
}
}
foreach ($string_placement as $angle) {
text_arc($image,$x,$y,$size,$angle[0]*360,$angle[1]*360,$col_black,bsize($s*($angle[1]-$angle[0])));
}
break;
case 2:
$s=$cache['num_hits']+$cache['num_misses'];
$a=$cache['num_hits'];
fill_box($image, 30,$size,50,$s ? (-$a*($size-21)/$s) : 0,$col_black,$col_green,sprintf("%.1f%%",$s ? $cache['num_hits']*100/$s : 0));
fill_box($image,130,$size,50,$s ? -max(4,($s-$a)*($size-21)/$s) : 0,$col_black,$col_red,sprintf("%.1f%%",$s ? $cache['num_misses']*100/$s : 0));
break;
case 3:
$s=$mem['num_seg']*$mem['seg_size'];
$a=$mem['avail_mem'];
$x=130;
$y=1;
$j=1;
// This block of code creates the bar chart. It is a lot more complex than you
// would expect because we try to visualize any memory fragmentation as well.
for($i=0; $i<$mem['num_seg']; $i++) {
$ptr = 0;
$free = $mem['block_lists'][$i];
uasort($free, 'block_sort');
foreach($free as $block) {
if($block['offset']!=$ptr) { // Used block
$h=(GRAPH_SIZE-5)*($block['offset']-$ptr)/$s;
if ($h>0) {
$j++;
if($j<75) fill_box($image,$x,$y,50,$h,$col_black,$col_red,bsize($block['offset']-$ptr),$j);
else fill_box($image,$x,$y,50,$h,$col_black,$col_red);
}
$y+=$h;
}
$h=(GRAPH_SIZE-5)*($block['size'])/$s;
if ($h>0) {
$j++;
if($j<75) fill_box($image,$x,$y,50,$h,$col_black,$col_green,bsize($block['size']),$j);
else fill_box($image,$x,$y,50,$h,$col_black,$col_green);
}
$y+=$h;
$ptr = $block['offset']+$block['size'];
}
if ($ptr < $mem['seg_size']) { // memory at the end
$h = (GRAPH_SIZE-5) * ($mem['seg_size'] - $ptr) / $s;
if ($h > 0) {
fill_box($image,$x,$y,50,$h,$col_black,$col_red,bsize($mem['seg_size']-$ptr),$j++);
}
}
}
break;
case 4:
$s=$cache['num_hits']+$cache['num_misses'];
$a=$cache['num_hits'];
fill_box($image, 30,$size,50,$s ? -$a*($size-21)/$s : 0,$col_black,$col_green,sprintf("%.1f%%", $s ? $cache['num_hits']*100/$s : 0));
fill_box($image,130,$size,50,$s ? -max(4,($s-$a)*($size-21)/$s) : 0,$col_black,$col_red,sprintf("%.1f%%", $s ? $cache['num_misses']*100/$s : 0));
break;
}
header("Content-type: image/png");
imagepng($image);
exit;
}
// pretty printer for byte values
//
function bsize($s) {
foreach (array('','K','M','G') as $i => $k) {
if ($s < 1024) break;
$s/=1024;
}
return sprintf("%5.1f %sBytes",$s,$k);
}
// sortable table header in "scripts for this host" view
function sortheader($key,$name,$extra='') {
global $MYREQUEST, $MY_SELF_WO_SORT;
if ($MYREQUEST['SORT1']==$key) {
$MYREQUEST['SORT2'] = $MYREQUEST['SORT2']=='A' ? 'D' : 'A';
}
return "<a class=sortable href=\"$MY_SELF_WO_SORT$extra&SORT1=$key&SORT2=".$MYREQUEST['SORT2']."\">$name</a>";
}
// create menu entry
function menu_entry($ob,$title) {
global $MYREQUEST,$MY_SELF;
if ($MYREQUEST['OB']!=$ob) {
return "<li><a href=\"$MY_SELF&OB=$ob\">$title</a></li>";
} else if (empty($MYREQUEST['SH'])) {
return "<li><span class=active>$title</span></li>";
} else {
return "<li><a class=\"child_active\" href=\"$MY_SELF&OB=$ob\">$title</a></li>";
}
}
function put_login_link($s="Login")
{
global $MY_SELF,$MYREQUEST,$AUTHENTICATED;
// needs ADMIN_PASSWORD to be changed!
//
if (!USE_AUTHENTICATION) {
return;
} else if (ADMIN_PASSWORD=='password')
{
print <<<EOB
<a href="#" onClick="javascript:alert('You need to set a password at the top of apc.php before this will work!');return false";>$s</a>
EOB;
} else if ($AUTHENTICATED) {
print <<<EOB
'{$_SERVER['PHP_AUTH_USER']}' logged in!
EOB;
} else{
print <<<EOB
<a href="$MY_SELF&LO=1&OB={$MYREQUEST['OB']}">$s</a>
EOB;
}
}
function block_sort($array1, $array2)
{
if ($array1['offset'] > $array2['offset']) {
return 1;
} else {
return -1;
}
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head><title>APCu INFO <?php echo $host ?></title>
<style><!--
body { background:white; font-size:100.01%; margin:0; padding:0; }
body,p,td,th,input,submit { font-size:0.8em;font-family:arial,helvetica,sans-serif; }
* html body {font-size:0.8em}
* html p {font-size:0.8em}
* html td {font-size:0.8em}
* html th {font-size:0.8em}
* html input {font-size:0.8em}
* html submit {font-size:0.8em}
td { vertical-align:top }
a { color:black; font-weight:none; text-decoration:none; }
a:hover { text-decoration:underline; }
a.entry-info:hover { text-decoration:none; }
div.content { padding:1em 1em 1em 1em; position:absolute; width:97%; z-index:100; }
div.head div.login {
position:absolute;
right: 1em;
top: 1.2em;
color:white;
width:6em;
}
div.head div.login a {
position:absolute;
right: 0em;
background:rgb(119,123,180);
border:solid rgb(102,102,153) 2px;
color:white;
font-weight:bold;
padding:0.1em 0.5em 0.1em 0.5em;
text-decoration:none;
}
div.head div.login a:hover {
background:rgb(193,193,244);
}
h1.apc { background:rgb(153,153,204); margin:0; padding:0.5em 1em 0.5em 1em; }
* html h1.apc { margin-bottom:-7px; }
h1.apc a:hover { text-decoration:none; color:rgb(90,90,90); }
h1.apc div.logo span.logo {
background:rgb(119,123,180);
color:black;
border-right: solid black 1px;
border-bottom: solid black 1px;
font-style:italic;
font-size:1em;
padding-left:1.2em;
padding-right:1.2em;
text-align:right;
}
h1.apc div.logo span.name { color:white; font-size:0.7em; padding:0 0.8em 0 2em; }
h1.apc div.nameinfo { color:white; display:inline; font-size:0.4em; margin-left: 3em; }
h1.apc div.copy { color:black; font-size:0.4em; position:absolute; right:1em; }
hr.apc {
background:white;
border-bottom:solid rgb(102,102,153) 1px;
border-style:none;
border-top:solid rgb(102,102,153) 10px;
height:12px;
margin:0;
margin-top:1px;
padding:0;
}
ol,menu { margin:1em 0 0 0; padding:0.2em; margin-left:1em;}
ol.menu li { display:inline; margin-right:0.7em; list-style:none; font-size:85%}
ol.menu a {
background:rgb(153,153,204);
border:solid rgb(102,102,153) 2px;
color:white;
font-weight:bold;
margin-right:0em;
padding:0.1em 0.5em 0.1em 0.5em;
text-decoration:none;
margin-left: 5px;
}
ol.menu a.child_active {
background:rgb(153,153,204);
border:solid rgb(102,102,153) 2px;
color:white;
font-weight:bold;
margin-right:0em;
padding:0.1em 0.5em 0.1em 0.5em;
text-decoration:none;
border-left: solid black 5px;
margin-left: 0px;
}
ol.menu span.active {
background:rgb(153,153,204);
border:solid rgb(102,102,153) 2px;
color:black;
font-weight:bold;
margin-right:0em;
padding:0.1em 0.5em 0.1em 0.5em;
text-decoration:none;
border-left: solid black 5px;
}
ol.menu span.inactive {
background:rgb(193,193,244);
border:solid rgb(182,182,233) 2px;
color:white;
font-weight:bold;
margin-right:0em;
padding:0.1em 0.5em 0.1em 0.5em;
text-decoration:none;
margin-left: 5px;
}
ol.menu a:hover {
background:rgb(193,193,244);
text-decoration:none;
}
div.info {
background:rgb(204,204,204);
border:solid rgb(204,204,204) 1px;
margin-bottom:1em;
}
div.info h2 {
background:rgb(204,204,204);
color:black;
font-size:1em;
margin:0;
padding:0.1em 1em 0.1em 1em;
}
div.info table {
border:solid rgb(204,204,204) 1px;
border-spacing:0;
width:100%;
}
div.info table th {
background:rgb(204,204,204);
color:white;
margin:0;
padding:0.1em 1em 0.1em 1em;
}
div.info table th a.sortable { color:black; }
div.info table tr.sticky { position: sticky; top: 0; }
div.info table tr.tr-0 { background:rgb(238,238,238); }
div.info table tr.tr-1 { background:rgb(221,221,221); }
div.info table td { padding:0.3em 1em 0.3em 1em; }
div.info table td.td-0 { border-right:solid rgb(102,102,153) 1px; white-space:nowrap; }
div.info table td.td-n { border-right:solid rgb(102,102,153) 1px; }
div.info table td h3 {
color:black;
font-size:1.1em;
margin-left:-0.3em;
}
div.graph { margin-bottom:1em }
div.graph h2 { background:rgb(204,204,204);; color:black; font-size:1em; margin:0; padding:0.1em 1em 0.1em 1em; }
div.graph table { border:solid rgb(204,204,204) 1px; color:black; font-weight:normal; width:100%; }
div.graph table td.td-0 { background:rgb(238,238,238); }
div.graph table td.td-1 { background:rgb(221,221,221); }
div.graph table td { padding:0.2em 1em 0.4em 1em; }
div.div1,div.div2 { margin-bottom:1em; width:35em; }
div.div3 { position:absolute; left:40em; top:1em; width:580px; }
//div.div3 { position:absolute; left:37em; top:1em; right:1em; }
div.sorting { margin:1.5em 0em 1.5em 2em }
.center { text-align:center }
.aright { position:absolute;right:1em }
.right { text-align:right }
.ok { color:rgb(0,200,0); font-weight:bold}
.failed { color:rgb(200,0,0); font-weight:bold}
span.box {
border: black solid 1px;
border-right:solid black 2px;
border-bottom:solid black 2px;
padding:0 0.5em 0 0.5em;
margin-right:1em;
}
span.green { background:#60F060; padding:0 0.5em 0 0.5em}
span.red { background:#D06030; padding:0 0.5em 0 0.5em }
div.authneeded {
background:rgb(238,238,238);
border:solid rgb(204,204,204) 1px;
color:rgb(200,0,0);
font-size:1.2em;
font-weight:bold;
padding:2em;
text-align:center;
}
input {
background:rgb(153,153,204);
border:solid rgb(102,102,153) 2px;
color:white;
font-weight:bold;
margin-right:1em;
padding:0.1em 0.5em 0.1em 0.5em;
}
//-->
</style>
</head>
<body>
<div class="head">
<h1 class="apc">
<div class="logo"><span class="logo"><a href="https://pecl.php.net/package/APCu">APCu</a></span></div>
<div class="nameinfo">User Cache</div>
</h1>
<div class="login">
<?php put_login_link(); ?>
</div>
<hr class="apc">
</div>
<?php
// Display main Menu
echo <<<EOB
<ol class=menu>
<li><a href="$MY_SELF&OB={$MYREQUEST['OB']}&SH={$MYREQUEST['SH']}">Refresh Data</a></li>
EOB;
echo
menu_entry(OB_HOST_STATS,'View Host Stats'),
menu_entry(OB_USER_CACHE,'User Cache Entries'),
menu_entry(OB_VERSION_CHECK,'Version Check');
if ($AUTHENTICATED) {
echo <<<EOB
<li><a class="aright" href="$MY_SELF&CC=1&OB={$MYREQUEST['OB']}" onClick="javascript:return confirm('Are you sure?');">Clear Cache</a></li>
EOB;
}
echo <<<EOB
</ol>
EOB;
// CONTENT
echo <<<EOB
<div class=content>
EOB;
// MAIN SWITCH STATEMENT
switch ($MYREQUEST['OB']) {
// -----------------------------------------------
// Host Stats
// -----------------------------------------------
case OB_HOST_STATS:
$mem_size = $mem['num_seg']*$mem['seg_size'];
$mem_avail= $mem['avail_mem'];
$mem_used = $mem_size-$mem_avail;
$seg_size = bsize($mem['seg_size']);
$elapsed = max($time-$cache['start_time'], 1);
$req_rate_user = sprintf("%.2f", $cache['num_hits'] ? (($cache['num_hits']+$cache['num_misses'])/$elapsed) : 0);
$hit_rate_user = sprintf("%.2f", $cache['num_hits'] ? (($cache['num_hits'])/$elapsed) : 0);
$miss_rate_user = sprintf("%.2f", $cache['num_misses'] ? (($cache['num_misses'])/$elapsed) : 0);
$insert_rate_user = sprintf("%.2f", $cache['num_inserts'] ? (($cache['num_inserts'])/$elapsed) : 0);
$apcversion = phpversion('apcu');
$phpversion = phpversion();
$number_vars = $cache['num_entries'];
$size_vars = bsize($cache['mem_size']);
$num_hits_and_misses = $cache['num_hits'] + $cache['num_misses'];
$num_hits_and_misses = 0 >= $num_hits_and_misses ? 1 : $num_hits_and_misses;
$i=0;
echo <<< EOB
<div class="info div1"><h2>General Cache Information</h2>
<table cellspacing=0><tbody>
<tr class=tr-0><td class=td-0>APCu Version</td><td>$apcversion</td></tr>
<tr class=tr-1><td class=td-0>PHP Version</td><td>$phpversion</td></tr>
EOB;
if(!empty($_SERVER['SERVER_NAME']))
echo "<tr class=tr-0><td class=td-0>APCu Host</td><td>{$_SERVER['SERVER_NAME']} $host</td></tr>\n";
if(!empty($_SERVER['SERVER_SOFTWARE']))
echo "<tr class=tr-1><td class=td-0>Server Software</td><td>{$_SERVER['SERVER_SOFTWARE']}</td></tr>\n";
echo <<<EOB
<tr class=tr-0><td class=td-0>Shared Memory</td><td>{$mem['num_seg']} Segment(s) with $seg_size
<br/> ({$cache['memory_type']} memory)
</td></tr>
EOB;
echo '<tr class=tr-1><td class=td-0>Start Time</td><td>',date(DATE_FORMAT,$cache['start_time']),'</td></tr>';
echo '<tr class=tr-0><td class=td-0>Uptime</td><td>',duration($cache['start_time']),'</td></tr>';
echo <<<EOB
</tbody></table>
</div>
<div class="info div1"><h2>Cache Information</h2>
<table cellspacing=0>
<tbody>
<tr class=tr-0><td class=td-0>Cached Variables</td><td>$number_vars ($size_vars)</td></tr>
<tr class=tr-1><td class=td-0>Hits</td><td>{$cache['num_hits']}</td></tr>
<tr class=tr-0><td class=td-0>Misses</td><td>{$cache['num_misses']}</td></tr>
<tr class=tr-1><td class=td-0>Request Rate (hits, misses)</td><td>$req_rate_user cache requests/second</td></tr>
<tr class=tr-0><td class=td-0>Hit Rate</td><td>$hit_rate_user cache requests/second</td></tr>
<tr class=tr-1><td class=td-0>Miss Rate</td><td>$miss_rate_user cache requests/second</td></tr>
<tr class=tr-0><td class=td-0>Insert Rate</td><td>$insert_rate_user cache requests/second</td></tr>
<tr class=tr-1><td class=td-0>Cache full count</td><td>{$cache['expunges']}</td></tr>
</tbody>
</table>
</div>
<div class="info div2"><h2>Runtime Settings</h2><table cellspacing=0><tbody>
EOB;
$j = 0;
foreach (ini_get_all('apcu') as $k => $v) {
echo "<tr class=tr-$j><td class=td-0>",$k,"</td><td>",str_replace(',',',<br />',$v['local_value'] ?? ''),"</td></tr>\n";
$j = 1 - $j;
}
if($mem['num_seg']>1 || $mem['num_seg']==1 && count($mem['block_lists'][0])>1)
$mem_note = "Memory Usage<br /><font size=-2>(multiple slices indicate fragments)</font>";
else
$mem_note = "Memory Usage";
echo <<< EOB
</tbody></table>
</div>
<div class="graph div3"><h2>Host Status Diagrams</h2>
<table cellspacing=0><tbody>
EOB;
$size='width='.(GRAPH_SIZE+50).' height='.(GRAPH_SIZE+10);
echo <<<EOB
<tr>
<td class=td-0>$mem_note</td>
<td class=td-1>Hits & Misses</td>
</tr>
EOB;
echo
graphics_avail() ?
'<tr>'.
"<td class=td-0><img alt=\"\" $size src=\"$PHP_SELF?IMG=1&$time\"></td>".
"<td class=td-1><img alt=\"\" $size src=\"$PHP_SELF?IMG=2&$time\"></td></tr>\n"
: "",
'<tr>',
'<td class=td-0><span class="green box"> </span>Free: ',bsize($mem_avail).sprintf(" (%.1f%%)",$mem_avail*100/$mem_size),"</td>\n",
'<td class=td-1><span class="green box"> </span>Hits: ',$cache['num_hits'].@sprintf(" (%.1f%%)",$cache['num_hits']*100/$num_hits_and_misses),"</td>\n",
'</tr>',
'<tr>',
'<td class=td-0><span class="red box"> </span>Used: ',bsize($mem_used).sprintf(" (%.1f%%)",$mem_used *100/$mem_size),"</td>\n",
'<td class=td-1><span class="red box"> </span>Misses: ',$cache['num_misses'].@sprintf(" (%.1f%%)",$cache['num_misses']*100/$num_hits_and_misses),"</td>\n";
echo <<< EOB
</tr>
</tbody></table>
<br/>
<h2>Detailed Memory Usage and Fragmentation</h2>
<table cellspacing=0><tbody>
<tr>
<td class=td-0 colspan=2><br/>
EOB;
// Fragementation: (freeseg - 1) / total_seg
$nseg = $freeseg = $fragsize = $freetotal = 0;
for($i=0; $i<$mem['num_seg']; $i++) {
$ptr = 0;
foreach($mem['block_lists'][$i] as $block) {
if ($block['offset'] != $ptr) {
++$nseg;
}
$ptr = $block['offset'] + $block['size'];
/* Only consider blocks <5M for the fragmentation % */
if($block['size']<(5*1024*1024)) $fragsize+=$block['size'];
$freetotal+=$block['size'];
}
$freeseg += count($mem['block_lists'][$i]);
}
if ($freeseg > 1) {
$frag = sprintf("%.2f%% (%s out of %s in %d fragments)", ($fragsize/$freetotal)*100,bsize($fragsize),bsize($freetotal),$freeseg);
} else {
$frag = "0%";
}
if (graphics_avail()) {
$size='width='.(2*GRAPH_SIZE+150).' height='.(GRAPH_SIZE+10);
echo <<<EOB
<img alt="" $size src="$PHP_SELF?IMG=3&$time">
EOB;
}
echo <<<EOB
</br>Fragmentation: $frag
</td>
</tr>
EOB;
if(isset($mem['adist'])) {
foreach($mem['adist'] as $i=>$v) {
$cur = pow(2,$i); $nxt = pow(2,$i+1)-1;
if($i==0) $range = "1";
else $range = "$cur - $nxt";
echo "<tr><th align=right>$range</th><td align=right>$v</td></tr>\n";
}
}
echo <<<EOB
</tbody></table>
</div>
EOB;
break;
// -----------------------------------------------
// User Cache Entries
// -----------------------------------------------
case OB_USER_CACHE:
if (!$AUTHENTICATED) {
echo '<div class="error">You need to login to see the user values here!<br/> <br/>';
put_login_link("Login now!");
echo '</div>';
break;
}
$fieldname='info';
$fieldheading='User Entry Label';
$fieldkey='info';
$cols=6;
echo <<<EOB
<div class=sorting><form>Scope:
<input type=hidden name=OB value={$MYREQUEST['OB']}>
<select name=SCOPE>
EOB;
echo
"<option value=A",$MYREQUEST['SCOPE']=='A' ? " selected":"",">Active</option>",
"<option value=D",$MYREQUEST['SCOPE']=='D' ? " selected":"",">Deleted</option>",
"</select>",
", Sorting:<select name=SORT1>",
"<option value=H",$MYREQUEST['SORT1']=='H' ? " selected":"",">Hits</option>",
"<option value=Z",$MYREQUEST['SORT1']=='Z' ? " selected":"",">Size</option>",
"<option value=S",$MYREQUEST['SORT1']=='S' ? " selected":"",">$fieldheading</option>",
"<option value=A",$MYREQUEST['SORT1']=='A' ? " selected":"",">Last accessed</option>",
"<option value=M",$MYREQUEST['SORT1']=='M' ? " selected":"",">Last modified</option>",
"<option value=C",$MYREQUEST['SORT1']=='C' ? " selected":"",">Created at</option>",
"<option value=D",$MYREQUEST['SORT1']=='D' ? " selected":"",">Deleted at</option>";
if($fieldname=='info') echo
"<option value=T",$MYREQUEST['SORT1']=='T' ? " selected":"",">Timeout</option>";
echo
'</select>',
'<select name=SORT2>',
'<option value=D',$MYREQUEST['SORT2']=='D' ? ' selected':'','>DESC</option>',
'<option value=A',$MYREQUEST['SORT2']=='A' ? ' selected':'','>ASC</option>',
'</select>',
'<select name=COUNT onChange="form.submit()">',
'<option value=10 ',$MYREQUEST['COUNT']=='10' ? ' selected':'','>Top 10</option>',
'<option value=20 ',$MYREQUEST['COUNT']=='20' ? ' selected':'','>Top 20</option>',
'<option value=50 ',$MYREQUEST['COUNT']=='50' ? ' selected':'','>Top 50</option>',
'<option value=100',$MYREQUEST['COUNT']=='100'? ' selected':'','>Top 100</option>',
'<option value=150',$MYREQUEST['COUNT']=='150'? ' selected':'','>Top 150</option>',
'<option value=200',$MYREQUEST['COUNT']=='200'? ' selected':'','>Top 200</option>',
'<option value=500',$MYREQUEST['COUNT']=='500'? ' selected':'','>Top 500</option>',
'<option value=0 ',$MYREQUEST['COUNT']=='0' ? ' selected':'','>All</option>',
'</select>',
' Search: <input name=SEARCH value="',isset($MYREQUEST['SEARCH']) ? htmlspecialchars($MYREQUEST['SEARCH']) : '','" type=text size=25/>',
' <input type=submit value="GO!">',
'</form></div>';
if (isset($MYREQUEST['SEARCH'])) {
// Don't use preg_quote because we want the user to be able to specify a
// regular expression subpattern.
$MYREQUEST['SEARCH_REGEX'] = '/'.str_replace('/', '\\/', $MYREQUEST['SEARCH']).'/i';
if (preg_match($MYREQUEST['SEARCH_REGEX'], 'test') === false) {
echo '<div class="error">Error: enter a valid regular expression as a search query.</div>';
break;
}
}
echo
'<div class="info"><table cellspacing=0><tbody>',
'<tr class="sticky">',
'<th>',sortheader('S',$fieldheading, "&OB=".$MYREQUEST['OB']),'</th>',
'<th>',sortheader('H','Hits', "&OB=".$MYREQUEST['OB']),'</th>',
'<th>',sortheader('Z','Size', "&OB=".$MYREQUEST['OB']),'</th>',
'<th>',sortheader('A','Last accessed',"&OB=".$MYREQUEST['OB']),'</th>',
'<th>',sortheader('M','Last modified',"&OB=".$MYREQUEST['OB']),'</th>',
'<th>',sortheader('C','Created at', "&OB=".$MYREQUEST['OB']),'</th>';
if($fieldname=='info') {
$cols+=2;
echo '<th>',sortheader('T','Timeout',"&OB=".$MYREQUEST['OB']),'</th>';
}
echo '<th>',sortheader('D','Deleted at',"&OB=".$MYREQUEST['OB']),'</th></tr>';
// builds list with alpha numeric sortable keys
//
$list = array();
foreach($cache[$scope_list[$MYREQUEST['SCOPE']]] as $i => $entry) {
switch($MYREQUEST['SORT1']) {
case 'A': $k=sprintf('%015d-',$entry['access_time']); break;